Forticrete is a leading UK manufacturer of architectural masonry products including concrete roof tiles, concrete blocks, cast stone walling and dressings.

the UK’s leading distributor of Rolled Lead and ancillary products, and the largest Hard Metal and ancillary supplier to the UK building industry.

Wienerberger is the UK's leading provider of wall, roof and landscaping innovations and the world's largest manufacturer of bricks.

leading distributors and manufacturers of fibre-cement products in Europe, Cembrit offers a wide range of Durable Products and solutions for Facade, Roofing, Indoor and Build.

Chesterfelt manufactures and distributes specialist roofing membranes throughout the UK.

VELUX is the worlds leading manufacturer of Roof windows, flat roof windows, sun tunnels and roof window blinds

National plastics distribution company, Ariel Plastics, offers the widest choice of roofing sheet, rooflights and roofing accessories available in the UK.

Established over 20 years, Armatool has an extensive knowledge of the hand tool market.

W T Knowles & Sons Limited has been manufacturing and supplying an extensive range of clay chimney pots and cowls since 1906. Our Yorkshire factory is still owned and managed by the 4th generation family.

Parkes Products offer many products ranging from roof brackets to tile guards.

Eurocell is the UK’s leading manufacturer, distributor and recycler of UPVC products thanks to a combination of precision extrusion capabilities, product innovation and customer service excellence.

Ubbink offers roofing products, specifically non-lead flashing, plastic roof ventilation products and accessories and solar PV roof mounting kits;plastic chimney and flue systems; plastic ventilation ductwork.

Whitesales has over 25 years’ experience in the manufacture and distribution of speciality flat roofing products: rooflights, smoke vents, access hatches, flat roof edge trims and accessories.

Samac is a leading nails, screws and fixings distributor based in Essex with a range of over 5,500 products. Established in 2004, Samac supplies builders, timber, roofing and fencing merchants with a constantly growing range of products

Mercury Building Products specialise in the supply of vapour permeable roof underlays, aluminium flashing and insulated cavity closures, and have become a market leader in these and associated products.